| for substance misuse | 18 | purpose |
| according to their degree of addiction | 17 | other |
| for the rest of their life | 15 | temporal |
| person → need → treatment | 176 |
| person → require → treatment | 164 |
| person → be in → need of treatment | 55 |
| person → need → medical treatment | 32 |
| negative | neutral | positive |
| 0.390 | 0.552 | 0.058 |
| Raw frequency | 427 |
| Normalized frequency | 0.607 |
| Modifier score | 0.914 |
| Perplexity | 450.735 |